.Main {

    display: flex;
    margin-bottom: 20px;
    margin-top: 20px;
}
#left {
    border: 1px solid black;
    flex: 1 250px;
    height: 760px;
    text-align: center;
    margin-left: 40px;
    border-radius:10px;

}
#mid {
    border: 1px solid black;
    flex: 1 300px;
    height: 760px;
    text-align: center;
    background: #ec5946;
    border-radius:10px;
    color: azure;
    margin-left: 20px;
    margin-right: 20px;
    background-image: url("images/2.png");
    background-repeat: no-repeat;
    background-position-x: 40%;
}
#right {
    border: 1px solid black;
    flex: 1 300px;
    height: 760px;
    text-align: center;
    margin-right: 40px;
    border-radius:10px;
}
.left1{
    font-size: 30px;
    margin-top:100px;
}
.left2 {
    font-size: 20px;
    margin-top:50px;
}
.qian {
    font-size: 40px;
}
.beRed {
    font-size: 40px;
    color: red;
}
.left3 {
    border: 1px solid black;
    font-size: 20px;
    border-radius: 20px ;
    line-height: 60px;
    margin: 0 auto;
    width: 30%;

}
.left3:hover{
    box-shadow: 5px 5px rgba(0, 0, 0, .6);
}
.mid1{
    font-size: 30px;
    margin-top:100px;
    color: azure;
}
.mid2 {
    font-size: 20px;
    margin-top:50px;

}
.mid3 {
    border: 1px solid black;
    font-size: 20px;
    border-radius: 20px ;
    line-height: 60px;
    width: 30%;
    background: gold;
    border-color: mintcream;
    margin: 0 auto;

}
.mid3:hover{
    box-shadow: 5px 5px rgba(0, 0, 0, .6);
}